72070000830 has 64 divisors (see below), whose sum is σ = 192229632000. Its totient is φ = 19214370720.

The previous prime is 72070000819. The next prime is 72070000853. The reversal of 72070000830 is 3800007027.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 72070000794 and 72070000803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1287771 + ... + 1342569.

It is an arithmetic number, because the mean of its divisors is an integer number (3003588000).

Almost surely, 2^72070000830 is an apocalyptic number.

72070000830 is an abundant number, since it is smaller than the sum of its proper divisors (120159631170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72070000830 is a wasteful number, since it uses less digits than its factorization.

72070000830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59686 (or 59680 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

Adding to 72070000830 its reverse (3800007027), we get a palindrome (75870007857).

The spelling of 72070000830 in words is "seventy-two billion, seventy million, eight hundred thirty", and thus it is an aban number.